remove redundant rvv nofma variants vectortype.h #211

Job	Run time
build-native-gcc	5m 42s
build-native-llvm	3m 47s
test-native-gcc	10m 57s
build-aarch64-gcc	4m 23s
test-native-llvm	7m 25s
build-aarch64-llvm	3m 3s
build-armhf-gcc	4m 12s
build-armhf-llvm	1m 34s
build-ppc64el-gcc	2m 54s
build-ppc64el-llvm	3m 19s
build-s390x-gcc	2m 16s
build-s390x-llvm	5m 49s
build-riscv64-llvm	2m 54s
test-aarch64-gcc (qemu_cpu: "max,sve=off")	16m 52s
test-aarch64-gcc (qemu_cpu: "max,sve=on,sve128=on")	23m 39s
test-aarch64-gcc (qemu_cpu: "max,sve=on,sve256=on")	26m 13s
test-aarch64-gcc (qemu_cpu: "max,sve=on,sve512=on")	29m 25s
test-armhf-gcc (qemu_cpu: "max")	14m 26s
test-armhf-llvm (qemu_cpu: "max")	15m 51s
test-ppc64el-gcc (qemu_cpu: "power10")	29m 35s
test-ppc64el-llvm (qemu_cpu: "power10")	24m 12s
test-s390x-gcc (qemu_cpu: "")	20m 56s
test-s390x-llvm (qemu_cpu: "")	21m 47s
test-riscv64-llvm (qemu_cpu: "rv64,zba=true,zbb=true,zbs=true,v=false")	4m 26s
test-riscv64-llvm (qemu_cpu: "rv64,zba=true,zbb=true,zbs=true,v=true,vlen=128,elen=64,vext_spec=v1.0")	15m 25s
test-riscv64-llvm (qemu_cpu: "rv64,zba=true,zbb=true,zbs=true,v=true,vlen=256,elen=64,vext_spec=v1.0")	20m 28s
test-riscv64-llvm (qemu_cpu: "rv64,zba=true,zbb=true,zbs=true,v=true,vlen=512,elen=64,vext_spec=v1.0")	31m 49s
	5h 53m 19s

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